getRefreshAction

An action that will be invoked as part of the palette refresh logic,
for example when user chooses "Refresh" in palette's popup menu. Can be null.
The action properties (label, icon) are not displayed to the user, the Palette module
will provide its own.

Returns:

Custom refresh action or null.

Since:

1.9

getResetAction

An action that resets the palette content to its default state. The action can be
invoked by the user from palette's popup menu for from the Palette Manager window.
The action properties (label, icon) are not displayed to the user, the Palette module
provides its own.

Returns:

Custom reset action or null to use the default one that removes all user's
modifications to the XML layer files.